Field | Description | Required | Format | Condition |
method | Mechanism used by the Cardholder to authenticate to the merchant See table values Codes - merchantAuthentication | No | N2 | 4.58 (3DSV2) |
date | Date and time in UTC of the buyer authentication DD/MM/YYYY hh:mm:ss | No | AN16 | 4.58 (3DSV2) |